Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
If you are interested in more details, you can find full information on the seller's page.
Medium smartwatch with a 1.39-inch display, heart rate and blood pressure features, custom dial, step counting, and compatibility with Android / IOS.
| This item | Recommendations | |||||
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allentian K56pro 1.39-inch display
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allentian K57pro 1.96-inch screen
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allentian K57pro
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allentian S56t 1.39-inch display
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allentian K52 Bluetooth calling is supported.
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allentian K55 Heart-rate monitoring supported
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | K56pro | K57pro | K57pro | S56t | K52 | K55 |
| Price | €76.85 | €111.70 | €68.81 | €56.30 | €83.10 | €66.13 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Model Name | K56pro | K57pro | K57pro | S56t | K52 | K55 |
| Part Number | 776670641079Black | 748992973157Black | 759248916715Black | 780592221609Blue | 724194725332Black | 5160164258394 |
| Display Size | 1.39 inch | 1.39 Inch | 1.39 inches | |||
| Product Type | smartwatch | Smartwatch | Smart watch | Smart watch | Smart watch | smartwatch |
| Compatibility | Android / iOS | Android / IOS | Android / IOS | Android / IOS | Android / iOS | |
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